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Table 3 Msp-1 block 2 allelic type frequencies and multiplicity of infection of P. falciparum isolates from different study sites in Mauritania

From: Polymorphism of the merozoite surface protein-1 block 2 region in Plasmodium falciparum isolates from Mauritania

Allelic type

Kobeni

Tintane

Aïoun

Nouakchott

Total

n (%)

n (%)

n (%)

n (%)

n (%)

K1

4(11.1)

6(15.4)

1(5.0)

1(5.5)

12(10.6)

Mad20

1(2.8)

0

1(5.0)

1(5.5)

3(2.6)

Ro33

0

2(5.1)

0

3(16.7)

5(4.4)

K1/Mad20

7(19.4)

10(25.6)

6(30.0)

1(5.5)

24(21.2)

K1/Ro33

9(25.0)

4(10.2)

0

6(32.3)

19(16.8)

Mad20/Ro33

2(5.5)

0

0

1(5.5)

3(2.6)

K1/Mad20/Ro33

13(36.1)

17(43.6)

12(60.0)

5(27.8)

47(41.6)

Total

36(100.0)

39(100.0)

20(100.0)

18(100.0)

113(100.0)

Total K1

33(91.6)

37(94.9)

19(90.0)

13(72.2)

102(90.0)

Total Mad20

23(63.8)

27(69.2)

19(90.0)

7(38.8)

77(68.1)

Total Ro33

24(66.6)

23(58.9)

12(60.0)

15(83.3)

74(65.5)

Multiclonal isolates

31(86.1)

31(79.5)

18(90.0)

13(72.2)

93(82.3)

MOI

3.1

3.2

4.3

2.3

3.2

  1. n: number of individuals; MOI: multiplicity of infection.